Patents by Inventor Richard B. Hunt

Richard B. Hunt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4983798
    Abstract: Warming devices are described having solid organic particulates that are solid at room temperature and which exhibit a meso-crystalline transition temperature within a range of about 30.degree. to about 200.degree. C. The particles can be heated by a variety of methods such as microwave radiation or hot liquids. Contemplated objects include vacuum bottles, coffee mugs, stadium pads, foot warming boxes, mittens, caps, snowsuits, and other wearing apparel. The solid particles act as a reusable heat reservoir to release heat over an extended period of time or absorb ambient heat and serve a protective function.
    Type: Grant
    Filed: April 18, 1989
    Date of Patent: January 8, 1991
    Inventors: Paul E. Eckler, Richard B. Hunt
  • Patent number: 4540577
    Abstract: A nutritional mineral supplement for animal feeds comprising amorphous sulfur, potassium chloride and langbeinite when prepared by mixing same, heating the mixture to above 107.degree. C., adding amorphous sulfur with agitation and allowing the mixture to cool.
    Type: Grant
    Filed: July 21, 1983
    Date of Patent: September 10, 1985
    Assignee: International Minerals & Chemical Corp.
    Inventors: Richard B. Hunt, William B. Dancy, James B. Alexander